diff --git a/spec/03-plugins/38-ai-proxy/02-openai_integration_spec.lua b/spec/03-plugins/38-ai-proxy/02-openai_integration_spec.lua
index e1c85368e31d..933d8f6450ae 100644
--- a/spec/03-plugins/38-ai-proxy/02-openai_integration_spec.lua
+++ b/spec/03-plugins/38-ai-proxy/02-openai_integration_spec.lua
@@ -51,12 +51,7 @@ local _EXPECTED_CHAT_STATS = {
       prompt_tokens = 25,
       total_tokens = 37,
     },
-    cache = {
-      cache_status = '',
-      vector_db = '',
-      embeddings_provider = '',
-      embeddings_model = '',
-    }
+    cache = {}
   },
 }
 
diff --git a/spec/03-plugins/39-ai-request-transformer/02-integration_spec.lua b/spec/03-plugins/39-ai-request-transformer/02-integration_spec.lua
index 2bc3e9951f79..5ec5f94c5c18 100644
--- a/spec/03-plugins/39-ai-request-transformer/02-integration_spec.lua
+++ b/spec/03-plugins/39-ai-request-transformer/02-integration_spec.lua
@@ -131,12 +131,7 @@ local _EXPECTED_CHAT_STATS = {
       prompt_tokens = 25,
       total_tokens = 37,
     },
-    cache = {
-      cache_status = '',
-      vector_db = '',
-      embeddings_provider = '',
-      embeddings_model = '',
-    }
+    cache = {}
   },
 }
 
diff --git a/spec/03-plugins/40-ai-response-transformer/02-integration_spec.lua b/spec/03-plugins/40-ai-response-transformer/02-integration_spec.lua
index 711c6f110eae..395897a9eebe 100644
--- a/spec/03-plugins/40-ai-response-transformer/02-integration_spec.lua
+++ b/spec/03-plugins/40-ai-response-transformer/02-integration_spec.lua
@@ -188,12 +188,7 @@ local _EXPECTED_CHAT_STATS = {
       prompt_tokens = 25,
       total_tokens = 37,
     },
-    cache = {
-      cache_status = '',
-      vector_db = '',
-      embeddings_provider = '',
-      embeddings_model = '',
-    }
+    cache = {}
   },
 }